msvcr120: Add erf functions (try 3)

[Daniel Lehman]

Try2: Added tests and removed erfc (needs to handle ERANGE)
Try3: Added configure checks, changed style to match other MSVCR120 functions, and removed tests for non-erf platforms
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 0001-msvcr120-Add-erf-functions.patch
Type: application/octet-stream
Size: 2601 bytes
Desc: 0001-msvcr120-Add-erf-functions.patch
URL: <http://www.winehq.org/pipermail/wine-patches/attachments/20150521/cce4f5ce/attachment.obj>